Biochemical validation of smoking status: Pros, cons, and data from four low-intensity intervention trials

Statistical Methods for Rates and Proportions.

B. S. Everitt, J. L. Fleiss · Biometrics · 1981 · 9.1K citations

Statistical Methods, Statistical Inference, Statistical Modeling +2

Research design in clinical psychology

Journal of Clinical Psychology · 1952 · 2.2K citations

Therapeutic Model, Clinical Psychology, Psychology +5

Improved gas chromatographic method for the determination of nicotine and cotinine in biologic fluids

Peyton Jacob, Margaret D. Wilson, Neal L. Benowitz · Journal of Chromatography B Biomedical Sciences and Applications · 1981 · 456 citations

Tobacco Control, Gas Chromatography, Biologic Fluids +8

Increasing the validity of self-reports of behavior in a smoking in children investigation.

Richard I. Evans, William B. Hansen, Maurice B. Mittelmark · Journal of Applied Psychology · 1977 · 308 citations

Tobacco Control, Child Psychology, Substance Abuse +14

Validation of self-reported smoking behavior: biochemical analyses of cotinine and thiocyanate.

Nancy J. Haley, C. M. Axelrad, Karishma Tilton · American Journal of Public Health · 1983 · 290 citations · Full text

Tobacco Cessation, Tobacco Control, Substance Abuse +13